From: antirez <antirez@gmail.com>
Date: Fri, 10 Jun 2011 12:25:27 +0000 (+0200)
Subject: Avoid division by zero issues in the automatically triggered AOF rewrite feature.
X-Git-Url: https://git.saurik.com/redis.git/commitdiff_plain/e3d27a726162e9faefe2d6223caf3b459b7f94f7

Avoid division by zero issues in the automatically triggered AOF rewrite feature.
---

diff --git a/src/redis.c b/src/redis.c
index 9243d554..26317225 100644
--- a/src/redis.c
+++ b/src/redis.c
@@ -695,8 +695,9 @@ int serverCron(struct aeEventLoop *eventLoop, long long id, void *clientData) {
          if (server.auto_aofrewrite_perc &&
              server.appendonly_current_size > server.auto_aofrewrite_min_size)
          {
-            int growth = (server.appendonly_current_size*100/
-                          server.auto_aofrewrite_base_size);
+            int base = server.auto_aofrewrite_base_size ?
+                            server.auto_aofrewrite_base_size : 1;
+            int growth = (server.appendonly_current_size*100/base);
             if (growth >= server.auto_aofrewrite_perc) {
                 redisLog(REDIS_NOTICE,"Starting automatic rewriting of AOF on %d growth",growth);
                 rewriteAppendOnlyFileBackground();